Changelog for Swagger2

0.03     Tue Dec  9 15:36:04 2014
       * Add Swagger2::validate()
       * Add Swagger 2.0 schema
       * Fix circular $ref when expanding a document
       * Rewrote Swagger2::SchemaValidator to support draft 4

0.02     Fri Dec  5 10:01:34 2014
       * Add Swagger2::SchemaValidator
       * Add Swagger2::expand()
       * Add Mojolicious::Plugin::Swagger2

0.01     Thu Dec  4 14:01:27 2014
       * Add load()
       * Add pod() and Swagger2::POD
       * Add to_string($format)
       * Started project